the answer is C,Atell me why

问题描述:

the answer is C,Atell me why
the chinese language ___many western languages ___it uses characters which have meanings and can stand alone as words.
A diffrent from ,in that B differs from,in which C differs from,in that D is diffrent from ,in which
the answer is C,tell me why
i was surfing the internet___that the chinese player liuxiang broke the world record.
A when suddenly came the good news B while the good news came syddenly
C when suddenly did the good news come D while suddenly came the good news
the answer is A,tell me why

(1)前半部分C\D都可,that后面接句子,which后面不能接句子.
(2)while+doing.而破纪录这个事情不是一直在破的,是一瞬间的事情.而C语序不对.